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Membranous GN

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https://www.readbyqxmd.com/read/29521297/the-spectrum-of-biopsy-proven-glomerular-disease-in-china-a-systematic-review
#1
REVIEW
Yue Yang, Zheng Zhang, Li Zhuo, Da-Peng Chen, Wen-Ge Li
Background: Chronic kidney disease has become a leading public health concern in China, as it is associated with increased morbidity, mortality, and costs. However, the overall situation regarding common glomerular diseases in China remains unclear. Hence, the aim of this study was to assess the national profile of the common types of glomerulonephritis in China. Methods: We searched Medline, Embase, Cochrane Library, CNKI, SinoMed, VIP, and Wanfang databases for English and Chinese language articles from inception to September 2017...
March 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29456219/descriptive-analysis-of-glomerulonephritis-by-histological-type-and-their-progression-among-adults-in-a-tertiary-care-center-in-sri-lanka
#2
Kawmadi W Gunawardena, Eranga S Wijewickrama, Carukshi Arambepola, Rushika D Lanerolle
Prevalence of different glomerulonephritides and their clinical course vary geographically. Our objectives are to assess the prevalence of different histological types of glomerulonephritis (GN) based on the light microscopic histology and to assess their progression according to histological type. A retrospective cross-sectional study was carried out among adult patients (>18 years) with a histological diagnosis of GN at the University Professorial Unit over a period of six months. Information including demographic data, renal biopsy findings, and progression of the disease through serum creatinine (SCr) level were collected through existing clinic records of consenting patients...
January 2018: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/29450785/the-role-of-the-alternative-pathway-of-complement-activation-in-glomerular-diseases
#3
REVIEW
Emilia Łukawska, Magdalena Polcyn-Adamczak, Zofia I Niemir
The complement system (CS) has recently been recognized as a bridge between innate and adaptive immunity that constitutes a very complex mechanism controlling the clearance of pathogens, cellular debris, and immune complexes. Out of three known pathways of complement activation, the alternative pathway (AP) plays a critical role in host defense by amplifying the complement response, independently of initiation pathway and continuously maintaining low-level activity in a process called 'thick-over.' A key molecule of the CS is C3, in which the AP is constantly activated...
February 15, 2018: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/29440172/a-distinct-oncogenerative-multinucleated-cancer-cell-serves-as-a-source-of-stemness-and-tumor-heterogeneity
#4
David Diaz-Carballo, Sahitya Saka, Jacqueline Klein, Tobias Rennkamp, Ali Haydar Acikelli, Sascha Malak, Holger Jastrow, Gunther Wennemuth, Clemens B Tempfer, Inge Schmitz, Andrea Tannapfel, Dirk Strumberg
The effects of anticancer treatments on cell heterogeneity and their proliferative potential play an important role in tumor persistence and metastasis. However, little is known about de-polyploidization, cell fate, and physiological stemness of the resulting cell populations. Here we describe a distinctive cell type termed "pregnant" P1 cells found within chemotherapy refractory ovarian tumors, which generate and gestate daughter generation Gn-cells intracytoplasmically. Release of Gn-cells occurred by ejection through crevices in P1 cell membrane by body contractions or using a funiculus-like structure...
February 12, 2018: Cancer Research
https://www.readbyqxmd.com/read/29394927/quantification-of-cancer-risk-in-glomerulonephritis
#5
James Goya Heaf, Alastair Hansen, Gunnar Hellmund Laier
BACKGROUND: The association of increased cancer risk with glomerulonephritis (GN) is well known, but controversy exists concerning which types of GN are involved, and the size of the association. A national registry survey was performed to assess the size of this association, and the temporal relationship of cancer diagnosis to GN diagnosis. METHODS: All patients with biopsy-proven GN between 1985 and 2015 in Denmark were extracted from The Danish Renal Biopsy Registry and the National Pathology Data Bank...
February 2, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29367607/shielding-and-activation-of-a-viral-membrane-fusion-protein
#6
Steinar Halldorsson, Sai Li, Mengqiu Li, Karl Harlos, Thomas A Bowden, Juha T Huiskonen
Entry of enveloped viruses relies on insertion of hydrophobic residues of the viral fusion protein into the host cell membrane. However, the intermediate conformations during fusion remain unknown. Here, we address the fusion mechanism of Rift Valley fever virus. We determine the crystal structure of the Gn glycoprotein and fit it with the Gc fusion protein into cryo-electron microscopy reconstructions of the virion. Our analysis reveals how the Gn shields the hydrophobic fusion loops of the Gc, preventing premature fusion...
January 24, 2018: Nature Communications
https://www.readbyqxmd.com/read/29326307/mycophenolate-mofetil-in-combination-with-steroids-for-treatment-of-c3-glomerulopathy-a-case-series
#7
Rupali S Avasare, Pietro A Canetta, Andrew S Bomback, Maddalena Marasa, Yasar Caliskan, Yasemin Ozluk, Yifu Li, Ali G Gharavi, Gerald B Appel
BACKGROUND AND OBJECTIVES: C3 glomerulopathy is a form of complement-mediated GN. Immunosuppressive therapy may be beneficial in the treatment of C3 glomerulopathy. Mycophenolate mofetil is an attractive treatment option given its role in the treatment of other complement-mediated diseases and the results of the Spanish Group for the Study of Glomerular Diseases C3 Study. Here, we study the outcomes of patients with C3 glomerulopathy treated with steroids and mycophenolate mofetil. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a retrospective chart review of patients in the C3 glomerulopathy registry at Columbia University and identified patients treated with mycophenolate mofetil for at least 3 months and follow-up for at least 1 year...
March 7, 2018: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/29312858/-de-novo-glomerular-diseases-after-renal-transplantation-how-is-it-different-from-recurrent-glomerular-diseases
#8
REVIEW
Fedaey Abbas, Mohsen El Kossi, Jon Kim Jin, Ajay Sharma, Ahmed Halawa
The glomerular diseases after renal transplantation can occur de novo, i.e ., with no relation to the native kidney disease, or more frequently occur as a recurrence of the original disease in the native kidney. There may not be any difference in clinical features and histological pattern between de novo glomerular disease and recurrence of original glomerular disease. However, structural alterations in transplanted kidney add to dilemma in diagnosis. These changes in architecture of histopathology can happen due to: (1) exposure to the immunosuppression specifically the calcineurin inhibitors (CNI); (2) in vascular and tubulointerstitial alterations as a result of antibody mediated or cell-mediated immunological onslaught; (3) post-transplant viral infections; (4) ischemia-reperfusion injury; and (5) hyperfiltration injury...
December 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/29275837/plasticity-and-heterogeneity-of-th17-in-immune-mediated-kidney-diseases
#9
REVIEW
Christian F Krebs, Ulf Panzer
Anti-neutrophil cytoplasmatic antibody (ANCA)-associated glomerulonephritis, anti-glomerular basement membrane (GBM) glomerulonephritis and lupus nephritis are the most common causes of rapid progressive glomerulonephritis (RPGN) in the Western world. These aggressive forms of autoimmune kidney diseases significantly contribute to end-stage renal disease and are associated with high morbidity and mortality. Moreover, patients show significant heterogeneity with respect to clinical outcome and response to therapy...
February 2018: Journal of Autoimmunity
https://www.readbyqxmd.com/read/29273568/hantavirus-gc-induces-long-term-immune-protection-via-lamp-targeting-dna-vaccine-strategy
#10
Dong-Bo Jiang, Jin-Peng Zhang, Lin-Feng Cheng, Guan-Wen Zhang, Yun Li, Zi-Chao Li, Zhen-Hua Lu, Zi-Xin Zhang, Yu-Chen Lu, Lian-He Zheng, Fang-Lin Zhang, Kun Yang
Hemorrhagic fever with renal syndrome (HFRS) occurs widely throughout Eurasia. Unfortunately, there is no effective treatment, and prophylaxis remains the best option against the major pathogenic agent, hantaan virus (HTNV), which is an Old World hantavirus. However, the absence of cellular immune responses and immunological memory hampers acceptance of the current inactivated HFRS vaccine. Previous studies revealed that a lysosome-associated membrane protein 1 (LAMP1)-targeting strategy involving a DNA vaccine based on the HTNV glycoprotein Gn successfully conferred long-term immunity, and indicated that further research on Gc, another HTNV antigen, was warranted...
February 2018: Antiviral Research
https://www.readbyqxmd.com/read/29242368/lessons-from-ckd-related-genetic-association-studies-moving-forward
#11
Sophie Limou, Nicolas Vince, Afshin Parsa
Over the past decade, genetic association studies have uncovered numerous determinants of kidney function in the general, diabetic, hypertensive, CKD, ESRD, and GN-based study populations ( e.g. , IgA nephropathy, membranous nephropathy, FSGS). These studies have led to numerous novel and unanticipated findings, which are helping improve our understanding of factors and pathways affecting both normal and pathologic kidney function. In this review, we report on major discoveries and advances resulting from this rapidly progressing research domain...
January 6, 2018: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/29209544/a-case-of-proliferative-glomerulonephritis-with-monoclonal-igg-deposits-that-showed-predominantly-membranous-features
#12
Homare Shimohata, Kentaro Ohgi, Hiroshi Maruyama, Yasunori Miyamoto, Mamiko Takayashu, Kouichi Hirayama, Masaki Kobayashi
In 2004, the novel category of monoclonal IgG deposition disease has been proposed and termed "proliferative glomerulonephritis with monoclonal IgG deposits" (PGNMID). This disease is characterized by membranoproliferative glomerulonephritis and staining for a single light-chain isotype and gamma heavy-chain subclass. A 76-year-old male who had monoclonal gammopathy was referred to our hospital because of proteinuria. The renal biopsy showed diffuse thickening of the glomerular capillary walls with focal mesangial proliferation...
2017: Case Reports in Nephrology
https://www.readbyqxmd.com/read/29162595/predicting-outcome-in-patients-with-anti-gbm-glomerulonephritis
#13
Emma E van Daalen, J Charles Jennette, Stephen P McAdoo, Charles D Pusey, Marco A Alba, Caroline J Poulton, Ron Wolterbeek, Tri Q Nguyen, Roel Goldschmeding, Bassam Alchi, Meryl Griffiths, Janak R de Zoysa, Beula Vincent, Jan A Bruijn, Ingeborg M Bajema
BACKGROUND AND OBJECTIVES: Large studies on long-term kidney outcome in patients with anti-glomerular basement membrane (anti-GBM) GN are lacking. This study aimed to identify clinical and histopathologic parameters that predict kidney outcome in these patients. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: This retrospective analysis included a total of 123 patients with anti-GBM GN between 1986 and 2015 from six centers worldwide. Their kidney biopsy samples were classified according to the histopathologic classification for ANCA-associated GN...
January 6, 2018: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/29106654/the-population-level-costs-of-immunosuppression-medications-for-the-treatment-of-glomerulonephritis-are-increasing-over-time-due-to-changing-patterns-of-practice
#14
Sean Barbour, Clifford Lo, Gabriela Espino-Hernandez, Sharareh Sajjadi, John Feehally, Scott Klarenbach, Jagbir Gill
Background: Immunosuppression (IS) is the main treatment for most types of glomerulonephritis (GN). Quantifying the cost of IS is necessary to ensure equitable access to therapies and optimal health outcomes, but the real-world cost of IS treatment for GN is largely unknown. We examined temporal changes in the population-level IS medication costs for GN over a 14-year period in a large Canadian province. Methods: We linked a provincial pathology database (containing all GN cases from 2000 to 2012) with renal and medication administrative databases to capture clinical characteristics and IS medications, with follow-up until 2013...
July 2, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29081027/diagnostic-specificity-of-autoantibodies-to-m-type-phospholipase-a2-receptor-pla2r-in-differentiating-idiopathic-membranous-nephropathy-imn-from-secondary-forms-and-other-glomerular-diseases
#15
A Radice, F Pieruzzi, B Trezzi, G Ghiggeri, P Napodano, M D'Amico, T Stellato, R Brugnano, F Ravera, D Rolla, G Pesce, M E Giovenzana, F Londrino, V Cantaluppi, F Pregnolato, A Volpi, G Rombolà, G Moroni, G Ortisi, Renato A Sinico
Autoantibody against phospholipase A2 receptor (anti-PLA2R) is a sensitive and specific biomarker of idiopathic membranous nephropathy (iMN), being found in approximately 70% of iMN patients and only occasionally in other glomerular diseases. However, whereas its diagnostic specificity vs. normal controls and other glomerulonephritides (GN) has been firmly established, its specificity vs. membranous nephropathy associated with various diseases (sMN) has given inconsistent results. The aim of our study was to evaluate the prevalence of anti-PLA2R antibodies in iMN in comparison with various control groups, including sMN...
April 2018: Journal of Nephrology
https://www.readbyqxmd.com/read/29079190/antidiabetic-effect-of-gomisin-n-via-activation-of-amp-activated-protein-kinase
#16
Dae Young Jung, Ji-Hyun Kim, Hoyoung Lee, Myeong Ho Jung
Gomisin N (GN) is a lignan derived from Schisandra chinensis. AMP-activated kinase (AMPK) has gained attention as a therapeutic target for the treatment of metabolic syndrome. Previously, we reported that GN activated the AMPK pathway and ameliorated high-fat diet (HFD)-induced hepatic steatosis. In this study, we investigated the anti-diabetic effects of GN in C2C12 myotubes and HFD obese mice. GN enhanced the phosphorylation of AMPK/acetyl-CoA carboxylase (ACC) and Akt. In addition, GN promoted glucose uptake in C2C12 myotubes, which was accompanied by the translocation of glucose transporter 4 (GLUT4) to the plasma membrane...
December 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29070692/the-postfusion-structure-of-the-heartland-virus-gc-glycoprotein-supports-taxonomic-separation-of-the-bunyaviral-families-phenuiviridae-and-hantaviridae
#17
Yaohua Zhu, Yan Wu, Yan Chai, Jianxun Qi, Ruchao Peng, Wen-Hai Feng, George Fu Gao
Heartland virus (HRTV) is an emerging human pathogen that belongs to the newly defined family Phenuiviridae , order Bunyavirales Gn and Gc are two viral surface glycoproteins encoded by the M segment and are required for early events during infection. HRTV delivers its genome into the cytoplasm by fusion of the viral envelope and endosomal membranes under low-pH conditions. Here, we describe the crystal structure of HRTV Gc in its postfusion conformation. The structure shows that Gc displays a typical class II fusion protein conformation, and the overall structure is identical to severe fever with thrombocytopenia syndrome virus (SFTSV) Gc, which also belongs to the Phenuiviridae family...
January 1, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29054981/immunoadsorption-in-anti-gbm-glomerulonephritis-case-report-in-a-child-and-literature-review
#18
REVIEW
Guillaume Dorval, Mathilde Lion, Sophie Guérin, Saoussen Krid, Louise Galmiche-Rolland, Rémi Salomon, Olivia Boyer
Antiglomerular basement membrane glomerulonephritis (anti-GBM GN) is a rare autoimmune disease that is characterized by rapidly progressive glomerulonephritis that may be associated with pulmonary hemorrhage. Anti-GBM GN is caused by autoantibodies (classically type G immunoglobulin) directed against the α3 subunit of type IV collagen. Without any appropriate treatment, the disease is generally fulminant, and patient and kidney survival is poor. The current guidelines recommend the use of plasma exchanges and immunosuppressive drugs...
November 2017: Pediatrics
https://www.readbyqxmd.com/read/29042902/unusual-case-of-posterior-reversible-encephalopathy-syndrome-in-a-patient-with-anti-glomerular-basement-membrane-antibody-glomerulonephritis-a-case-report-and-review-of-the-literature
#19
Boram Cha, Dae Young Kim, Hyunil Jang, Seun Deuk Hwang, Huck Jei Choi, Moon-Jae Kim
Posterior reversible encephalopathy syndrome (PRES) is characterized by a clinical and radiological entity with the sudden onset of seizures, headache, altered consciousness, and visual disturbances in patients with the findings of reversible vasogenic subcortical edema without infarction. Hypertension, renal disease, and autoimmune disease are co-morbid conditions of PRES. Nevertheless, there have only been a few case reports of PRES in a patient with anti-glomerular basement membrane antibody glomerulonephritis (anti-GBM GN)...
September 2017: Electrolyte & Blood Pressure: E & BP
https://www.readbyqxmd.com/read/28990057/id3-may-protect-mice-from-anti%C3%A2-gbm-glomerulonephritis-by-regulating-the-differentiation-of-th17-and-treg-cells
#20
Huan Zhou, Le Wang, Qing Xu, Qingquan Liu, Hui Liu, Wenhui Qiu, Tingyang Hu, Yongman Lv, Qian Zhang
Anti‑glomerular basement membrane glomerulonephritis (anti‑GBM GN) is an autoimmune disease that leads to severe and rapidly progressive renal injury. Inhibition of DNA‑binding factor 3 (ID3) serves a key role in autoimmune diseases, such as asthma and Sjögren's syndrome, and in experimental allergic encephalitis models. However, the role of ID3 in the progression of anti‑GBM GN remains unknown. In the present study, ID3 mRNA expression increased between 3‑ and 20‑fold in the renal tissues of anti‑GBM GN mice compared with the Control group, with a peak at day 14 post‑induction...
December 2017: Molecular Medicine Reports
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